Texas Instruments LP3855ES-2.5/NOPB
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $5.86 | $5.86 |
| 15+ | $5.68 | $85.20 |
| 25+ | $5.55 | $138.75 |
| 50+ | $5.24 | $262.00 |
| 100+ | $4.63 | $463.00 |
| N+ | $0.93 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Tube | |
| Output Configuration | Positive |
| Output Type | Fixed |
| Number of Regulators | 1 |
| Voltage - Input (Max) | 7V |
| Voltage - Output (Min/Fixed) | 2.5V |
| Voltage - Output (Max) | - |
| Voltage Dropout (Max) | 0.38V @ 1.5A |
| Current - Output | 1.5A |
| Current - Quiescent (Iq) | 3 mA |
| Current - Supply (Max) | 10 mA |
| PSRR | 73dB ~ 57dB (120Hz) |
| Control Features | Enable |
| Protection Features | Over Current, Over Temperature, Short Circuit |
| Operating Temperature | -40°C ~ 125°C |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | TO-263-6, D2PAK (5 Leads + Tab), TO-263BA |
| Supplier Device Package | TO-263 (DDPAK-5) |
| ROHS |  |
The LP3855ES-2.5/NOPB is a robust low dropout linear regulator from Texas Instruments, offering a fixed 2.5V output at up to 1.5A. With a dropout voltage of just 380mV and PSRR of 73dB at 120Hz, it delivers clean, stable power for memory, logic, and RF applications. The TO-263 (DDPAK-5) package ensures excellent thermal performance for demanding industrial and telecom environments.
- High Output Current (1.5A): Supports power-hungry loads like DDR memory and FPGAs without additional cooling.
- Low Dropout (380mV @ 1.5A): Maximizes efficiency by operating with minimal input-to-output voltage difference.
- Excellent PSRR (73dB @ 120Hz): Filters out power supply noise, ensuring clean output for sensitive electronics.
- TO-263 Package: Superior heat dissipation for reliable operation in high-temperature environments.
DDR Memory Power Supply
The 2.5V output is perfect for DDR and DDR2 memory termination rails, providing stable voltage with 1.5A capability for high-speed data buses.
Networking Equipment
In routers and switches, the LP3855ES-2.5/NOPB powers PHY transceivers and switch ASICs, ensuring clean 2.5V supply with low dropout for reliable data transmission.
Industrial Automation
For PLCs and motor controllers, this regulator provides a robust 2.5V rail for digital logic, with the TO-263 package handling high ambient temperatures.
Telecom Base Stations
The high PSRR and 1.5A output make it suitable for powering RF transceivers and baseband processors in cellular infrastructure.
Test and Measurement Instruments
Precision instruments require stable 2.5V references; this LDO delivers low-noise power for ADC/DAC circuits, improving measurement accuracy.
Consumer Electronics
In set-top boxes and gaming consoles, the LP3855ES-2.5/NOPB provides reliable 2.5V power for HDMI interfaces and audio codecs.
- Q: What is the output voltage of the LP3855ES-2.5/NOPB?
- A: It provides a fixed 2.5V output, suitable for logic and memory circuits.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A with a low dropout voltage of 380mV at full load.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.7V to 7V, allowing use with 3.3V and 5V rails.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA, providing fast transient response for dynamic loads.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package, ideal for high-power surface-mount applications.
- Q: What is the PSRR performance?
- A: PSRR is 73dB at 120Hz and 57dB at higher frequencies, reducing supply noise effectively.
LP3855ES-2.5/NOPB.pdf
- Q: What is the output voltage of the LP3855ES-2.5/NOPB?
- A: It provides a fixed 2.5V output, suitable for logic and memory circuits.
- Q: What is the maximum output current?
- A: It can deliver up to 1.5A with a low dropout voltage of 380mV at full load.
- Q: What is the input voltage range?
- A: The input voltage range is from 2.7V to 7V, allowing use with 3.3V and 5V rails.
- Q: What is the quiescent current?
- A: The quiescent current is 3mA, providing fast transient response for dynamic loads.
- Q: What package is available?
- A: It comes in a TO-263 (DDPAK-5) package, ideal for high-power surface-mount applications.
- Q: What is the PSRR performance?
- A: PSRR is 73dB at 120Hz and 57dB at higher frequencies, reducing supply noise effectively.
